Language Service Provider (LSP)

LSPs help businesses adapt content, products, and software for different languages and markets. They range from solo freelance translators to large multinational agencies handling hundreds of language pairs. What distinguishes an LSP from a single translator is typically the breadth of services and the managed workflow, project management, quality assurance, and technology are all part of the package.

Modern LSPs combine human expertise with translation technology. Most use CAT tools, translation memories, and machine translation with post-editing as part of their standard workflow. Some build direct integrations with TMS platforms, allowing content to flow automatically between a client’s product and the LSP’s translation pipeline.

🔗 How LSPs fit into localization workflows #️⃣

For software teams, the most common point of contact with an LSP is outsourcing translation of app strings, documentation, or marketing content. In a typical workflow, source strings are exported from a TMS, sent to the LSP, translated and reviewed, then imported back. More mature setups automate this exchange directly through API integrations or shared TMS access.

LSPs vary widely in how they operate. Some work with your existing TMS. Others have their own platforms and expect content in specific formats. Knowing how an LSP handles file formats, terminology, and translation memory before you start saves significant rework later.

🛠️ Core services LSPs provide #️⃣

• Translation.Converting written content from source to target language while preserving meaning and context
• Localization. Adapting software, websites, and marketing content to fit a target culture and locale
• Transcreation. Rewriting creative and marketing content to land correctly in the target language, not just translate it
• Machine translation post-editing (MTPE). Using MT output as a first draft with human linguists refining the result
• Linguistic quality assurance. Reviewing translations for accuracy, consistency, terminology compliance, and style
• Interpretation. Real-time oral translation for conferences, legal proceedings, and business meetings

🏢 Types of LSPs #️⃣

• Single-language providers (SLPs): Focus on one language pair or regional group, often used for less common languages
• Multi-language providers (MLPs): Cover large numbers of languages with global reach, typically through networks of in-country translators
• Industry-specialized LSPs: Serve specific sectors such as legal, medical, technical, or software, where domain knowledge and terminology accuracy matter
• Technology-heavy LSPs: Built around MT, TMS, and automation, suited for high-volume, fast-turnaround workflows

🤔 LSP vs. in-house translation #️⃣

Some teams build internal localization capacity with in-house translators, especially for high-volume or strategically sensitive content. Others rely entirely on LSPs. Many do both, handling core languages in-house and using LSPs for additional markets or overflow. The right split depends on volume, language coverage, budget, and how tightly localization is integrated with the development cycle.

How Localazy works with LSPs #️⃣

Localazy lets you order professional translations directly from the platform without coordinating file exchanges manually. Translators work within the Localazy interface with full access to context, glossaries, and translation memory, so handoffs between your team and an external LSP happen without the usual back-and-forth.

See how professional translations work in Localazy.